Unauthorised USB Device
High
Investigating
ALR-00141 · 2026-04-08T10:20:32Z
Description
Unauthorised USB mass storage device connected to VM-DEV-01 by user 'k.brown'. Device blocked by Firewall endpoint policy.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
10:20:32
Event ingested by SOC365 Engine
10:20:37
EmilyAI triage started — correlation enrichment
10:20:39
EmilyAI confidence: 92% — escalated to human analyst
10:20:51
Alert assigned to analyst: James Okonkwo
10:22:11
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00305 | 1h ago | Unauthorised USB Device | Low | Escalated | SRV-WEB-01 |
| ALR-00432 | 1h ago | Malware Signature Match | Informational | Escalated | VM-DEV-01 |
| ALR-00229 | 6h ago | Unauthorised USB Device | Medium | Open | SRV-BACKUP-01 |
| ALR-00091 | 16h ago | Kerberoasting Attempt | Informational | Investigating | VM-DEV-01 |
| ALR-00281 | 1d ago | Unauthorised USB Device | Low | Investigating | SW-CORE-01 |